True, although Cater apparently did not work out, but at least he was a full time player and a respectable hitter. The deals that broke up those 1970's teams were simply atrocious.
I know Don Zimmer wanted a few players gone like Lee and Jim Willoughby and a couple others, but honestly, was the best deal the Sox could get for Lee a utility infielder? We've all seen teams deal malcontent players before and get much better returns. The Cubs had one of the biggest headcases on the planet making premium money at the time in Milton Bradley, and even they got more than a utility infielder in return.
Those late 1970's Red Sox teams unloaded Fisk, Lynn, Burleson, Willoughby, Reggie Cleveland, Butch Hobson, George Scott, and Bernie Carbo and in return the only starter they got back was Carney Lansford (although Mark Clear and Rick Miller were useful players, but were also acquired in the same deal as Lansford).
And really given the number of players he had trouble controlling, why didn't anyone decide maybe Zimmer was the problem?